Finding the Fourth Proportional to 207,497.97, 286,374.60 and 116,871.84
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Solution
The fourth proportional to 207,497.97, 286,374.60 and 116,871.84 is: 161,298.57
Step by Step Solution
- Step 1: Write the proportion equation
207,497.97 : 286,374.60 = 116,871.84 : x - Step 2: Convert to fraction form
207,497.97/286,374.60 = 116,871.84/x - Step 3: Cross multiply
207,497.97x = 286,374.60 × 116,871.84 - Step 4: Simplify right side
207,497.97x = 33,469,126,431.26 - Step 5: Solve for x
x = 33,469,126,431.26/207,497.97 - Step 6: Final answer
x = 161,298.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.